On the basis of variation in form, structure, origin and development, sclerenchyma may be
Fibres
Sclereids
Either $(a)$ or $(b)$
Both $(a)$ and $(b)$
In the given figure, which component has thin outer walls and highly thickened inner walls?
Stomata are the component of
Write a note on Epidermal Tissue system.
Closed Vascular bundles lack
Angiosperm contains